From a145b14b3e1f7bf15ea67d2bd9c39c85395f94bb Mon Sep 17 00:00:00 2001
From: Yusuke Matsushita <y.skm24t@gmail.com>
Date: Sun, 12 May 2019 01:47:20 +0900
Subject: [PATCH] Remove redundant "let mut" in write_graph_label

Removed the redundant "let mut" in the write_graph_label function (it caused "let mut let mut" for non-user-defined local variables).
---
 src/librustc_mir/util/graphviz.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc_mir/util/graphviz.rs b/src/librustc_mir/util/graphviz.rs
index 04b0e16cd9a81..188da9a82dc99 100644
--- a/src/librustc_mir/util/graphviz.rs
+++ b/src/librustc_mir/util/graphviz.rs
@@ -167,7 +167,7 @@ fn write_graph_label<'a, 'gcx, 'tcx, W: Write>(tcx: TyCtxt<'a, 'gcx, 'tcx>,
             write!(w, r#"{:?}: {}; // {}<br align="left"/>"#,
                    Place::Base(PlaceBase::Local(local)), escape(&decl.ty), name)?;
         } else {
-            write!(w, r#"let mut {:?}: {};<br align="left"/>"#,
+            write!(w, r#"{:?}: {};<br align="left"/>"#,
                    Place::Base(PlaceBase::Local(local)), escape(&decl.ty))?;
         }
     }